From 3d7c48a6e5c5c532cdd66b3ba5a8c5911bcf2383 Mon Sep 17 00:00:00 2001 From: ZoRo Date: Sat, 19 Feb 2022 12:47:26 +0000 Subject: Initial --- src/os/null_usb.c | 111 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 111 insertions(+) create mode 100644 src/os/null_usb.c (limited to 'src/os/null_usb.c') diff --git a/src/os/null_usb.c b/src/os/null_usb.c new file mode 100644 index 0000000..0cd531d --- /dev/null +++ b/src/os/null_usb.c @@ -0,0 +1,111 @@ +/* + * Copyright © 2019 Pino Toscano + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "libusbi.h" + +static int +null_get_device_list(struct libusb_context * ctx, + struct discovered_devs **discdevs) +{ + return LIBUSB_SUCCESS; +} + +static int +null_open(struct libusb_device_handle *handle) +{ + return LIBUSB_ERROR_NOT_SUPPORTED; +} + +static void +null_close(struct libusb_device_handle *handle) +{ +} + +static int +null_get_active_config_descriptor(struct libusb_device *dev, + void *buf, size_t len) +{ + return LIBUSB_ERROR_NOT_SUPPORTED; +} + +static int +null_get_config_descriptor(struct libusb_device *dev, uint8_t idx, + void *buf, size_t len) +{ + return LIBUSB_ERROR_NOT_SUPPORTED; +} + +static int +null_set_configuration(struct libusb_device_handle *handle, int config) +{ + return LIBUSB_ERROR_NOT_SUPPORTED; +} + +static int +null_claim_interface(struct libusb_device_handle *handle, uint8_t iface) +{ + return LIBUSB_ERROR_NOT_SUPPORTED; +} + +static int +null_release_interface(struct libusb_device_handle *handle, uint8_t iface) +{ + return LIBUSB_ERROR_NOT_SUPPORTED; +} + +static int +null_set_interface_altsetting(struct libusb_device_handle *handle, uint8_t iface, + uint8_t altsetting) +{ + return LIBUSB_ERROR_NOT_SUPPORTED; +} + +static int +null_clear_halt(struct libusb_device_handle *handle, unsigned char endpoint) +{ + return LIBUSB_ERROR_NOT_SUPPORTED; +} + +static int +null_submit_transfer(struct usbi_transfer *itransfer) +{ + return LIBUSB_ERROR_NOT_SUPPORTED; +} + +static int +null_cancel_transfer(struct usbi_transfer *itransfer) +{ + return LIBUSB_ERROR_NOT_SUPPORTED; +} + +const struct usbi_os_backend usbi_backend = { + .name = "Null backend", + .caps = 0, + .get_device_list = null_get_device_list, + .open = null_open, + .close = null_close, + .get_active_config_descriptor = null_get_active_config_descriptor, + .get_config_descriptor = null_get_config_descriptor, + .set_configuration = null_set_configuration, + .claim_interface = null_claim_interface, + .release_interface = null_release_interface, + .set_interface_altsetting = null_set_interface_altsetting, + .clear_halt = null_clear_halt, + .submit_transfer = null_submit_transfer, + .cancel_transfer = null_cancel_transfer, +}; -- cgit v1.2.3